944181942 has 64 divisors (see below), whose sum is σ = 2199951360. Its totient is φ = 267321600.

The previous prime is 944181929. The next prime is 944181949. The reversal of 944181942 is 249181449.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 944181894 and 944181903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944181949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51378 + ... + 67290.

It is an arithmetic number, because the mean of its divisors is an integer number (34374240).

Almost surely, 2^944181942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 944181942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1099975680).

944181942 is an abundant number, since it is smaller than the sum of its proper divisors (1255769418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

944181942 is a wasteful number, since it uses less digits than its factorization.

944181942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15989.

The product of its digits is 82944, while the sum is 42.

The square root of 944181942 is about 30727.5437026782. The cubic root of 944181942 is about 981.0366449624.

The spelling of 944181942 in words is "nine hundred forty-four million, one hundred eighty-one thousand, nine hundred forty-two".